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/* hist.h
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Copyright (C) 2000-2022 Free Software Foundation, Inc.
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This file is part of GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#ifndef hist_h
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#define hist_h
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typedef struct histogram
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{
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bfd_vma lowpc;
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bfd_vma highpc;
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unsigned int num_bins;
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int *sample; /* Histogram samples (shorts in the file!). */
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} histogram;
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extern histogram * histograms;
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extern unsigned num_histograms;
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/* Scale factor converting samples to pc values:
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each sample covers HIST_SCALE bytes. */
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extern double hist_scale;
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extern void hist_read_rec (FILE *, const char *);
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extern void hist_write_hist (FILE *, const char *);
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extern void hist_assign_samples (void);
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extern void hist_print (void);
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/* Checks if ADDRESS is within the range of addresses for which
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we have histogram data. Returns 1 if so and 0 otherwise. */
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extern int hist_check_address (unsigned address);
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/* Given a range of addresses for a symbol, find a histogram record
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that intersects with this range, and clips the range to that
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histogram record, modifying *P_LOWPC and *P_HIGHPC.
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If no intersection is found, *P_LOWPC and *P_HIGHPC will be set to
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one unspecified value. If more that one intersection is found,
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an error is emitted. */
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extern void hist_clip_symbol_address (bfd_vma *p_lowpc, bfd_vma *p_highpc);
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#endif /* hist_h */
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